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Solution structure of B. subtilis Sigma G inhibitor CsfB
Authors
Martinez-Lumbreras, S., Alfano, C., Atkinson, A., Isaacson, R.L.
Assembly
Anti-sigma-G factor Gin
Entity
1. Anti-sigma-G factor Gin, entity 1 (polymer), 49 monomers, 5622.323 × 2 Da Detail

SMDETVKLNH TCVICDQEKN RGIHLYTKFI CLDCERKVIS TSTSDPDYA


2. Anti-sigma-G factor Gin, entity ZN (non-polymer), 65.409 × 2 Da
Total weight
11375.465 Da
Max. entity weight
5622.323 Da
Source organism
Bacillus subtilis
Exptl. method
solution NMR
Refine. method
torsion angle dynamics
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 98.0 %, Completeness: 86.8 %, Completeness (bb): 81.2 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All86.8 % (485 of 559)92.4 % (267 of 289)78.1 % (171 of 219)92.2 % (47 of 51)
Backbone81.2 % (237 of 292)94.9 % (93 of 98)68.5 % (100 of 146)91.7 % (44 of 48)
Sidechain93.7 % (295 of 315)91.1 % (174 of 191)97.5 % (118 of 121)100.0 % (3 of 3)
Aromatic88.2 % (30 of 34)88.2 % (15 of 17)88.2 % (15 of 17)
Methyl100.0 % (52 of 52)100.0 % (26 of 26)100.0 % (26 of 26)

1. entity 1

SMDETVKLNH TCVICDQEKN RGIHLYTKFI CLDCERKVIS TSTSDPDYA

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 7.5, Details 1 mM [U-100% 13C; U-100% 15N] CsfB, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1CsfB-labelled[U-100% 13C; U-100% 15N]1 mM
Sample #2

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 7.5, Details 0.5 uM [U-100% 13C; U-100% 15N] CsfB, 0.5 uM CsfB, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
2CsfB-labelled[U-100% 13C; U-100% 15N]0.5 mM
3CsfBnatural abundance0.5 mM

LACS Plot; CA
Referencing offset: -0.36 ppm, Outliers: 1 Detail
LACS Plot; CB
Referencing offset: -0.36 ppm, Outliers: 1 Detail
LACS Plot; HA
Referencing offset: -0.15 ppm, Outliers: 1 Detail
Protein Blocks Logo
Calculated from 20 models in PDB: 5N7Y, Strand ID: A, C Detail


Release date
2018-02-21
Citation
Structural and Functional Insights into Bacillus subtilis Sigma Factor Inhibitor, CsfB
Martinez-Lumbreras, S., Alfano, C., Evans, N.J., Collins, K.M., Flanagan, K.A., Atkinson, R.A., Krysztofinska, E.M., Vydyanath, A., Jackter, J., Fixon-Owoo, S., Camp, A.H., Isaacson, R.L.
Structure (2018), 26, 640-648, PubMed 29526435 , DOI 10.1016/j.str.2018.02.007 ,
Related entities 1. Anti-sigma-G factor Gin, entity 1, : 1 : 1 : 3 entities Detail
Experiments performed 11 experiments Detail
NMR combined restraints 4 contents Detail
Keywords CsfB, Sigma G inhibitor, Zinc-finger, dimer, transcription